Home / 7,569.12-10,428.34-5,677.77

Finding the Fourth Proportional to 7,569.12, 10,428.34 and 5,677.77

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Solution

The fourth proportional to 7,569.12, 10,428.34 and 5,677.77 is: 7,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.12 : 10,428.34 = 5,677.77 : x
  2. Step 2: Convert to fraction form
    7,569.12/10,428.34 = 5,677.77/x
  3. Step 3: Cross multiply
    7,569.12x = 10,428.34 × 5,677.77
  4. Step 4: Simplify right side
    7,569.12x = 59,209,716.00
  5. Step 5: Solve for x
    x = 59,209,716.00/7,569.12
  6. Step 6: Final answer
    x = 7,822.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.